Add regex documentation.

[gnulib.git] / top / GNUmakefile

diff --git a/top/GNUmakefile b/top/GNUmakefile
index 14b6fcd..97fea36 100644 (file)
--- a/top/GNUmakefile
+++ b/top/GNUmakefile
@@ -5,7 +5,7 @@
 # It is necessary if you want to build targets usually of interest
 # only to the maintainer.
 
-# Copyright (C) 2001, 2003, 2006-2009 Free Software Foundation, Inc.
+# Copyright (C) 2001, 2003, 2006-2010 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -49,7 +49,7 @@ include $(srcdir)/maint.mk
 
 # Allow cfg.mk to override these.
 _build-aux ?= build-aux
-_autoreconf ?= autoreconf
+_autoreconf ?= autoreconf -v
 
 # Ensure that $(VERSION) is up to date for dist-related targets, but not
 # for others: rerunning autoreconf and recompiling everything isn't cheap.
@@ -60,11 +60,13 @@ ifeq ($(_have-git-version-gen)0,yes$(MAKELEVEL))
     $(filter maintainer-% dist% alpha beta major,$(MAKECMDGOALS)))
   _is-install-target ?= $(filter-out %check, $(filter install%,$(MAKECMDGOALS)))
   ifneq (,$(_is-dist-target)$(_is-install-target))
-    _curr-ver := $(shell cd $(srcdir) \
-                   && $(_build-aux)/git-version-gen .tarball-version)
+    _curr-ver := $(shell cd $(srcdir)                          \
+                   && $(_build-aux)/git-version-gen            \
+                         .tarball-version                      \
+                         $(git-version-gen-tag-sed-script))
     ifneq ($(_curr-ver),$(VERSION))
       ifeq ($(_curr-ver),UNKNOWN)
-        $(info WARNING: unable to verify if $(VERSION) is correct version)
+        $(info WARNING: unable to verify if $(VERSION) is the correct version)
       else
         ifneq (,$(_is-install-target))
           # GNU Coding Standards state that 'make install' should not cause
@@ -78,7 +80,8 @@ ifeq ($(_have-git-version-gen)0,yes$(MAKELEVEL))
           $(info run '$(MAKE) _version' to fix it)
         else
           $(info INFO: running autoreconf for new version string: $(_curr-ver))
-          _dummy := $(shell $(MAKE) $(AM_MAKEFLAGS) _version)
+GNUmakefile: _version
+       touch GNUmakefile
         endif
       endif
     endif
@@ -88,6 +91,7 @@ endif
 .PHONY: _version
 _version:
        cd $(srcdir) && rm -rf autom4te.cache .version && $(_autoreconf)
+       $(MAKE) $(AM_MAKEFLAGS) Makefile
 
 else